Name: Streamline 3/4-in x 1/2-in Copper Reducing Female Adapter
Brand: Streamline
SKU: 5004023667
Price: 13.88 USD
Availability: InStock
Rating: 4.4 (44 reviews)

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Streamline® Copper solder-joint Fittings for supply/pressurized systems have been the leading brand of copper fittings for over 80 years. Available in both wrot copper and cast bronze, our product selection has grown to become the most extensive in the industry. We are the acknowledged experts at engineering and manufacturing precision solder-joint copper fittings. Quality, consistency and reliability have made the Streamline® brand trusted and specified all around the world.

Female adapters convert sweat connections to FPT pipe connections
Designed for use in above-ground potable water supply systems
Built from 99.9% pure copper for a long and durable product life
Designed to join ASTM B88 and ASTM B280 seamless Copper Tube
Constructed of high-grade copper in compliance with UNS C12200
Conform to the NSF/ANSI 61 annex G
Made to applicable ASME standards B1615, B1618, B1622, B1624, B1650, B1201
594 PSI maximum pressure rating
Copper is a lead-free material that is safe to interact with and use for potable water

General
Color/Finish Family	Copper	Material	Copper
Type	Fitting	Maximum Working Temperature (Fahrenheit)	400
Pipe Type	Type L	Fitting Type	Solder
Connection Type (End 2)	Female	Sub Type	Adapter
Connection Type (End 1)	Cup (Solder)	Package Quantity	1

Dimensions
Diameter (End 2)	1/2-in	Diameter (End 1)	3/4-in

Features
Minimum Working Temperature (Fahrenheit)	-40	Permanent or Removable	Permanent
Maximum Working Pressure (PSI)	594

Certifications
CA Residents: Prop 65 Warning(s)	No	Complies with Federal Lead Guidelines	Yes
Safety Listing	UL safety listing

Warranty
Warranty	1-year limited

Miscellaneous
UNSPSC	40171500

Check out the Best Selling Copper Pipe & Fittings on Lowes.com

Review

4.4 out of 5

44 Reviews

78% Recommend this product

Ratings may include incentivized customer reviews.

44 Customer Reviews

Sort By

Just what the description says

Would Recommend

It’s the adapter that does this. Made of copper. It is what it is

GregMay 30, 2026
From 1_SLASH_2-in x 3_SLASH_4-in Copper Reducing Female Adapter Verified Purchaser

Was this Review Helpful ?

lowes ships

price

jrihlJanuary 2, 2026
From 1-in x 3_SLASH_4-in Copper Reducing Female Adapter Verified Purchaser

Was this Review Helpful ?

Fit like a glove

Would Recommend

I needed this copper reducing female adapter to redesign my main water intake with a ball valve. as opposed the the current gate valve. The product was the exact fit for the job, as described and delivered on time. All features needed to complete the job in a timely manner by me.

TheboxmakerDecember 17, 2025
From 1_SLASH_2-in x 3_SLASH_4-in Copper Reducing Female Adapter Verified Purchaser

Was this Review Helpful ?

Return for refund bought for $1.79 not $13.49

Would Not Recommend

Over priced

JohnsAugust 28, 2025
From 1_SLASH_2-in x 3_SLASH_4-in Copper Reducing Female Adapter Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item Streamline3/4-in x 1/2-in Copper Reducing Female Adapter
		Ratings	44
		Material	Copper
		Type	Fitting
		Connection Type (End 1)	Cup (Solder)
Streamline1-in x 3/4-in Copper Reducing Male Adapter	Streamline1-1/4-in Copper Female Adapter	Streamline1-1/2-in Copper Female Adapter	Streamline1/2-in Copper Union	Streamline1/2-in x 1-ft Copper Air Chamber	Streamline1-in 90-Degree Copper Short Radius Street Elbow	Streamline1-in 90-Degree Copper Short Radius Street Elbow	Streamline1-in x 1-in x 3/4-in Copper Reducing Tee	Streamline1-1/4-in 90-Degree Copper Short Radius Elbow
29	95	94	67	5	21	6	8	175
Copper	Copper	Copper	Copper	Copper	Copper	Copper	Copper	Copper
Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting
Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)